28575803275 has 12 divisors (see below), whose sum is σ = 35713007872. Its totient is φ = 22680635040.

The previous prime is 28575803273. The next prime is 28575803281. The reversal of 28575803275 is 57230857582.

It is not a de Polignac number, because 28575803275 - 2¹ = 28575803273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28575803273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4496952 + ... + 4503301.

Almost surely, 2^28575803275 is an apocalyptic number.

28575803275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28575803275 is a deficient number, since it is larger than the sum of its proper divisors (7137204597).

28575803275 is a wasteful number, since it uses less digits than its factorization.

28575803275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000390 (or 9000385 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 52.

The spelling of 28575803275 in words is "twenty-eight billion, five hundred seventy-five million, eight hundred three thousand, two hundred seventy-five".